In[1]:= |
<< KnotTheory` |
Loading KnotTheory` (version of August 17, 2005, 14:44:34)... |
In[2]:= | Crossings[Knot[10, 122]] |
Out[2]= | 10 |
In[3]:= | PD[Knot[10, 122]] |
Out[3]= | PD[X[1, 6, 2, 7], X[7, 15, 8, 14], X[15, 2, 16, 3], X[5, 12, 6, 13],
X[9, 19, 10, 18], X[3, 11, 4, 10], X[17, 5, 18, 4], X[19, 9, 20, 8],
X[11, 16, 12, 17], X[13, 1, 14, 20]] |
In[4]:= | GaussCode[Knot[10, 122]] |
Out[4]= | GaussCode[-1, 3, -6, 7, -4, 1, -2, 8, -5, 6, -9, 4, -10, 2, -3, 9, -7,
5, -8, 10] |
In[5]:= | BR[Knot[10, 122]] |
Out[5]= | BR[4, {1, 1, 2, -3, 2, -1, -3, 2, -3, 2, -3}] |
In[6]:= | alex = Alexander[Knot[10, 122]][t] |
Out[6]= | 2 11 24 2 3
31 - -- + -- - -- - 24 t + 11 t - 2 t
3 2 t
t t |
In[7]:= | Conway[Knot[10, 122]][z] |
Out[7]= | 2 4 6
1 + 2 z - z - 2 z |
In[8]:= | Select[AllKnots[], (alex === Alexander[#][t])&] |
Out[8]= | {Knot[10, 122], Knot[11, NonAlternating, 185]} |
In[9]:= | {KnotDet[Knot[10, 122]], KnotSignature[Knot[10, 122]]} |
Out[9]= | {105, 0} |
In[10]:= | J=Jones[Knot[10, 122]][q] |
Out[10]= | -4 4 8 13 2 3 4 5 6
17 + q - -- + -- - -- - 17 q + 17 q - 13 q + 9 q - 5 q + q
3 2 q
q q |
In[11]:= | Select[AllKnots[], (J === Jones[#][q] || (J /. q-> 1/q) === Jones[#][q])&] |
Out[11]= | {Knot[10, 122]} |
In[12]:= | A2Invariant[Knot[10, 122]][q] |
Out[12]= | -12 2 -8 -6 4 3 2 4 8 10
-2 + q - --- + q + q - -- + -- + 2 q + 3 q + 5 q - 3 q -
10 4 2
q q q
16 18
3 q + q |
In[13]:= | Kauffman[Knot[10, 122]][a, z] |
Out[13]= | 3 3 3
2 4 2 z 2 z 2 2 2 4 z 14 z 18 z
-1 - -- - -- + --- + --- + 2 z + 2 a z + ---- + ----- + ----- +
4 2 5 3 5 3 a
a a a a a a
4 4 4
3 3 3 4 z 12 z 24 z 2 4 4 4
6 a z - 2 a z + 3 z - -- + ----- + ----- - 7 a z + a z -
6 4 2
a a a
5 5 5 6 6
11 z 25 z 32 z 5 3 5 6 z 20 z
----- - ----- - ----- - 14 a z + 4 a z - 13 z + -- - ----- -
5 3 a 6 4
a a a a
6 7 7 7 8
42 z 2 6 5 z 3 z 9 z 7 8 8 z
----- + 8 a z + ---- + ---- + ---- + 11 a z + 10 z + ---- +
2 5 3 a 4
a a a a
8 9 9
18 z 4 z 4 z
----- + ---- + ----
2 3 a
a a |
In[14]:= | {Vassiliev[2][Knot[10, 122]], Vassiliev[3][Knot[10, 122]]} |
Out[14]= | {0, 2} |
In[15]:= | Kh[Knot[10, 122]][q, t] |
Out[15]= | 9 1 3 1 5 3 8 5
- + 9 q + ----- + ----- + ----- + ----- + ----- + ---- + --- + 9 q t +
q 9 4 7 3 5 3 5 2 3 2 3 q t
q t q t q t q t q t q t
3 3 2 5 2 5 3 7 3 7 4 9 4
8 q t + 8 q t + 9 q t + 5 q t + 8 q t + 4 q t + 5 q t +
9 5 11 5 13 6
q t + 4 q t + q t |